package com.wgj.android.widget;

import android.animation.ObjectAnimator;
import android.content.Context;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.jiaai.xui.utils.XDensityUtils;
import com.wgj.android.R;

import java.util.List;

public class ScrollBanner extends LinearLayout {
 
  private TextView mBannerTV1;
  private TextView mBannerTV2;
  private Handler handler;
  private boolean isShow;
  private int startY1, endY1, startY2, endY2;
  private Runnable runnable;
  private List<String> list;
  private int position = 0;
  private int offsetY = 100;
 
 
  public ScrollBanner(Context context) {
    this(context, null);
  }
 
  public ScrollBanner(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }
 
  public ScrollBanner(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    View view = LayoutInflater.from(context).inflate(R.layout.view_scroll_banner, this);
    mBannerTV1 = (TextView) view.findViewById(R.id.tv_banner1);
    mBannerTV2 = (TextView) view.findViewById(R.id.tv_banner2);
    handler = new Handler();
    runnable = new Runnable() {
      @Override
      public void run() {
        isShow = !isShow;
 
        if (position == list.size())
          position = 0;
 
        if (isShow) {
          mBannerTV1.setText(list.get(position++));
        } else {
          mBannerTV2.setText(list.get(position++));
        }
 
        startY1 = isShow ? 0 : offsetY;
        endY1 = isShow ? -offsetY : 0;
 
 
        ObjectAnimator.ofFloat(mBannerTV1, "translationY", startY1, endY1).setDuration(800).start();
 
        startY2 = isShow ? offsetY : 0;
        endY2 = isShow ? 0 : -offsetY;
        ObjectAnimator.ofFloat(mBannerTV2, "translationY", startY2, endY2).setDuration(800).start();
 
        handler.postDelayed(runnable, 2000);
      }
    };
 
  }

  public List<String> getList() {
    return list;
  }
 
  public void setList(List<String> list) {
    this.list = list;
  }
 
  public void startScroll() {
    handler.post(runnable);
  }
 
  public void stopScroll() {
    handler.removeCallbacks(runnable);
  }
}